Gregg Wallace was born on 17 October 1964 in Peckham, London, England. He grew up in South London, though detailed information about his parents is limited.

He left school early with few qualifications and began his career in the food trade, initially working as a greengrocer. He later founded George Allan’s Greengrocers, which became a successful wholesale fruit and vegetable business supplying London restaurants.

Wallace transitioned into media after becoming known in the food industry. His big break came when he began presenting food-related shows, eventually joining MasterChef in 2005.

He is best known for co-hosting MasterChef: The Professionals on BBC One, alongside judges like Monica Galetti and Marcus Wareing. He has also fronted shows such as Inside the Factory and Eat Well for Less?

He lives in Kent with his family and continues to work in television, fitness promotion, and business ventures.